[ https://issues.apache.org/jira/browse/MAPREDUCE-1992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jakob Homan updated MAPREDUCE-1992: ----------------------------------- Hadoop Flags: [Reviewed] +1. This should work for both secure and unsecure. > NPE in JobTracker's constructor > ------------------------------- > > Key: MAPREDUCE-1992 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-1992 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: jobtracker > Reporter: Ravi Gummadi > Attachments: m1992-02.patch > > > On my local machine, JobTracker is *not* coming up with current trunk. Logs > show the following NPE: > 2010-08-03 14:01:41,449 FATAL org.apache.hadoop.mapred.JobTracker: > java.lang.NullPointerException > at > org.apache.hadoop.security.UserGroupInformation.isLoginKeytabBased(UserGroupInformation.java:703) > at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:1383) > at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:275) > at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:267) > at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:262) > at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4236) > 2010-08-03 14:01:41,449 INFO org.apache.hadoop.mapred.JobTracker: > SHUTDOWN_MSG: -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.